HEIDENHAIN TNC 620 (81760x-02) ISO programming - Manual (Page 332)

Programming: Q parameters
9.10 String parameters
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TNC 620 | User's ManualDIN/ISO Programming | 2/2015
Finding the length of a string parameter
The STRLEN function returns the length of the text saved in a
selectable string parameter.
Select Q-parameter functions
Select the FORMULA function
Enter the number of the Q parameter in which
the TNC is to save the ascertained string length.
Confirm with the
ENT key
Shift the soft-key row
Select the function for finding the text length of a
string parameter
Enter the number of the QS parameter whose
length the TNC is to ascertain, and confirm with
the ENT key
Close the parenthetical expression with the
ENT
key and confirm your entry with the END key
Example: Find the length of QS15
N37 Q52 = STRLEN ( SRC_QS15 )